If y − 4 = 2x, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?

{(2, 1), (4, 2), (6, 3)}

{(1, 2), (2, 4), (3, 6)}

{(4, 0), (6, 1), (8, 2)}

{(0, 4), (1, 6), (2, 8)}

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3

The customer price index(cpi), which measures the cost of a typical package of customer goods,was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely.use data points to find such a line and then estimate the requested quantities

State one method by which you can recognize a perfect square trinomial.